(modal, auxiliary verb) Contraction of had better.

Alternative spelling of better off

Alternative form of for better or worse

simple past tense of know better

past participle of know better

Third-person singular simple present indicative form of know better

present participle of know better

(game theory, of a strategy) That leads to a better outcome no matter what the other player does.

A person's spouse or lover, most commonly a man's wife. / (archaic) A very close friend or companion.

(transitive) To change one's mind concerning, especially to decide against.